Hoekstra, H. G., Sinclair, M. <., & Oorthuys, C. (1963). This is Amsterdam: From dawn till night. Contact.
Lua i Stíl Chicago (17ú heag.)Hoekstra, Han G., Morris <eng> Sinclair, agus Cas Oorthuys. This Is Amsterdam: From Dawn Till Night. Amsterdam: Contact, 1963.
Lua MLA (8ú heag.)Hoekstra, Han G., et al. This Is Amsterdam: From Dawn Till Night. Contact, 1963.
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